1240435014453 has 6 divisors (see below), whose sum is σ = 1791739465334. Its totient is φ = 826956676296.

The previous prime is 1240435014451. The next prime is 1240435014463. The reversal of 1240435014453 is 3544105340421.

1240435014453 is a `hidden beast` number, since 1 + 24 + 0 + 43 + 501 + 44 + 53 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1089115570449 + 151319444004 = 1043607^2 + 388998^2 .

It is not a de Polignac number, because 1240435014453 - 2¹ = 1240435014451 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240435014451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68913056350 + ... + 68913056367.

Almost surely, 2^{1240435014453} is an apocalyptic number.

It is an amenable number.

1240435014453 is a deficient number, since it is larger than the sum of its proper divisors (551304450881).

1240435014453 is a wasteful number, since it uses less digits than its factorization.

1240435014453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137826112723 (or 137826112720 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 1240435014453 in words is "one trillion, two hundred forty billion, four hundred thirty-five million, fourteen thousand, four hundred fifty-three".